Home / 389,779,137.24-584,760,379.20-113,436,312.36

Finding the Fourth Proportional to 389,779,137.24, 584,760,379.20 and 113,436,312.36

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Solution

The fourth proportional to 389,779,137.24, 584,760,379.20 and 113,436,312.36 is: 170,181,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,779,137.24 : 584,760,379.20 = 113,436,312.36 : x
  2. Step 2: Convert to fraction form
    389,779,137.24/584,760,379.20 = 113,436,312.36/x
  3. Step 3: Cross multiply
    389,779,137.24x = 584,760,379.20 × 113,436,312.36
  4. Step 4: Simplify right side
    389,779,137.24x = 66,333,061,030,683,248
  5. Step 5: Solve for x
    x = 66,333,061,030,683,248/389,779,137.24
  6. Step 6: Final answer
    x = 170,181,147.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.